Application of Combined Ozone–Hydrogen Peroxide for the Removal of Aromatic Compounds from a Groundwater

Autor:	P. Mazounie, J. P. Duguet, J. Mallevialle, C. Anselme
Rok vydání:	1990
Předmět:	Pollution Pollutant Environmental Engineering Ozone media_common.quotation_subject chemistry.chemical_compound Pilot plant chemistry Chlorobenzene Environmental chemistry Environmental Chemistry Water treatment Hydrogen peroxide Water pollution media_common
Zdroj:	Ozone: Science & Engineering. 12:281-294
ISSN:	1547-6545 0191-9512
DOI:	10.1080/01919519008552197
Popis:	Nitro and chlorobenzene compounds, which are widely used in dye industries, have been associated recently with groundwater contamination. Because of their potential toxicity and for taste and odor considerations, three main actions were undertaken to solve the problem. First, to follow the advance of pollution toward the wells, samples were collected automatically and analyzed using GC-MS. Results indicate that o-chloronitrobenzene was the main pollutant in concentrations ranging from 10 to 2000μg/L. Second, to monitor the drinking water quality, an on-line spectrophotometer was used to measure the optical density at 254 nm at the inlet and outlet of the plant. Third, the feasibility of using the O3/H2O9 combination was determined at a 450 L/h pilot plant. Reduction of concentrations of chloronitrobenzenes from 1900 μ/L to less than 20 μg/L could be reached by the application of 8 mg O3/L and 3 mg H2O9/L with a 20-minute contact time. To avoid an eventual bacterial egrowfn in the network due to b...
Databáze:	OpenAIRE
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